81942
Propionic anhydride
purum, ≥96.0% (NT)
Synonym(s):
Propanoic anhydride
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About This Item
Linear Formula:
(CH3CH2CO)2O
CAS Number:
Molecular Weight:
130.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-638-2
Beilstein/REAXYS Number:
507066
MDL number:
Assay:
≥96.0% (NT)
Form:
liquid
vapor density
4.5 (vs air)
Quality Segment
vapor pressure
10 mmHg ( 57.7 °C)
grade
purum
assay
≥96.0% (NT)
form
liquid
autoignition temp.
545 °F
expl. lim.
11.9 %
refractive index
n20/D 1.404
bp
167 °C (lit.)
mp
−43 °C (lit.)
solubility
H2O: decomposes (when in contact with water)
density
1.010 g/mL at 20 °C, 1.015 g/mL at 25 °C (lit.)
functional group
anhydride, ester
SMILES string
CCC(=O)OC(=O)CC
InChI
1S/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3
InChI key
WYVAMUWZEOHJOQ-UHFFFAOYSA-N
Application
Propionic anhydride can be used:
- As an esterifying reagent in the modification of cassava starch by acylation reaction.
- As a reactant along with anisole in the synthesis of 4-methoxypropiophenone using various solid acid catalysts via Friedel−Crafts acylation reaction.
- As a reagent in the synthesis of cyanohydrin esters by treating KCN with aldehyde in presence of bimetallic titanium(salen) complex catalyst.
Other Notes
Sales restrictions may apply
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
165.2 °F - closed cup
flash_point_c
74 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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